184.4% is the change from 218 to 620
Calculation steps:
[( 620 - 218 ) ÷ 218] x 100 = 184.4%
Formula
Percentage change = [(620 - 218) / 218] x 100
Subtract the new number by the original number
620 - 218 = 402
402 ÷ 218 = 1.8440366972477065
1.8440366972477065 x 100 = 184.4%